Lamp



Aug. 23, 1932. Q DQANE 1,873,3Q9

LAMP

Filed Nov. 8, 1929 INVENTOR 4 Us gy C. 8494M A? I BY K.

ATTORNEY Patented Aug. 23, 1932 y )LEROY "0.. some, on menu, C QNNECTIGUT, lemm -we when; on

' M R' EM NN G I UT, conromrmn OFhQONlS E TIQU A v Application "filedNovember .zThe present invention relates to; lamps-.=and is, more:particularly directed: toward lamps or fixtures, employingelightcontrolling Id-8 wiicesitoredi reet the light;

V ",i'lhe present invention contemplates a designe ;,and arranged tha ithere is; a :mini muni -of uncontrolled light 7 thereby elimiatir g theproduction of .iobjeetiouahl shadows. i i Y The igaiceon ipanying1drawing-eshows, for purpo s zo'fr llu tratingnthe present 7 invention,one of. thecmjan-y; oossible embodim ts in which i it may take a; orm;{it being understood that; the drawing is illustrative oftheii-nyentionw rathe ha limit ng t e-same. In'thisdra- -ing-p ig re l isail-e larged verticahseetional yieweoi the upper; part of a'; lam-p;

zE e 'refi is asec ion takenon the; lineL2-':2

Figure .3is a diagrammatic vieW-fi lustrating a shade and lightcontrolling device.

Eonpunpeses of, i lustrating th i ven ion, it is shown in theLEOIEIIlwOf a -Zfloer QrJtabIe lamp. Sacha-lamp may/haveaany desiretypeof; supporting base 10 and an -.orna1nen- 13511001111111 11 whichisyplaced; outsidea 1011}; piece of .pipe ,12. {The-upper -pa-rt. of;this Qpipe, 12 is threadedg'and nut 13 is employed Jae/to loekthe columni n;,plaee. ,The pi pe 12 extendson, through the nut 1,1} to receive astamped: vbobasohe; le andv the lower end; of .a hiekey 15. flhe"(hickey-isgthreadedz down to ,elamp the vbobasehe in place.lA-Zvnipple 1b is threaded intofthe r pper-.;end.;of;.the 33 h'hickey 112 this nipple foarries -'an i I abut ment in'the formlof a ;stop:nut17. A

.jstamped iadapteror neck: ISI-is rested ;-.on the hob asche stamping15';and this adapterctogether with the; nut 17, act iasssupptorts for, a

toma y .inipple23and locknuts 24, 24. The

st mpingw tal evsupperts at-switch: 25 hav- 1ingenrexter elhrzaeees i le1101101126. .tor ep- :erating- Ehi s' WitchiiS c nnected to :the

lampi:hu1 i anyedesi ed manner. For

example, when: hre lamp-sham are in s it: may; he voonI ee-ted?to,l-ight. all the bulbs,

two; of theifbulbs, or only; ,one bfulb, thereby vary ng th brightneietth inn vhl lh upper; pe e-fth s amping l ,%i flared as indiatedat-QZand QI is ar-t'of; the stampaegis dapte rtoreeeive an aluminumreflecepeee i o 9 9 Y6fl2h 3IE k ft a p b b qassshowgn. l-t ma jybeglooked; in place, ion a shadesupporting;stemfil bywmeans-of-aheadlelee i g ee w 2; c ried by lip; ri g '33- 'llh Q J3 may, beisinthe, formof a; tube which is threaded at its slowerend; 34 so that it can bethreaded into the coupling 'ring2l. If de red the-nippl l6.-a- -1 e;1nay be integral. {Ihe; stL1m1p.ing.-,3l, carries; a-rhng 35:preferably; securedwto; zit b'y solder andthis ,rin e35 isiadapted tosupport an -aluminum de I eeterj 36 gutwardly; flaring as indicated..flhefepp rend etfthei stem 31 is p vide -wi fr she e: tlppeh ngsillgfii and fin l z'kr e V was shade.

some of the light from this deflector will be turned back toward theupper deflector 36 as a A' shade is adapted to besupported between thefinial or knob and the ring 37.

This shade may be of any desired sha e and There will be a small amountof upwardly directed light which passes out through the upper part ofthe shade unless the shade is closed. Theserays areindicated at A. A

considerable part of the light from thelamp.

will fall directly on the inside of the shade and" will'be diflusedand'' scattereid?bythe Such aray'is indicated at B. Some of the upwardlydirected light will fall on, the outside of the deflector 36 asindicated shade.

the ray C and be returned thisideflectorto: ward the shade as indicatedby the ray C. The downwardly directed light willbe'cut ofl by the lowerend of the shade as indicated so that-no direct light from the lampbulbs may passout through the lower end of the The reflector 29 issaucer-shaped and 30 ward the shade; Whenione lamp is lighted,

it will be apparent that considerableof the light will pass to the leftas indicated generally by the ray E and will 'fall directly on theopposite side of the shade without reflection.

-."proportion of the'parts may be varied con siderably by changing-theangles of the reflecting surfaces of the reflectors 2-9 and-36, alsothat their s'pacingmay'be variedato obtain desired lightdistribution.jIn order to --make it easier to take out andreplace lamp bulb, theupper reflector 36 ispreferably sslidable along the stem 31. 1 Where theunit is to be pendant instead of supported'onx a standard, it will beunderstood that the standard will be omitted, the steni'hung from asuitable support and-that wiresmay b'ecarrieddow'n through the stem '3];

7 It is obvious that the inventionmay be em- 1 bo'died in many forms andconstructions within the'scope ofthe'claims, and I' wish it to beunderstood that the particular form shown'is but one of themany formsfVarious modifications and changes being possible, Ido not otherwiselimit myself in any way with respect thereto. 7 1 Iclaim: w f

I 1. A lamp comprising a standard, a plurality of upwardlyopening lampsockets carupper edge of the -socket cover, 'a-central stem extendingupwardly between the socks ets and lamp bulbs, a difiusing shade carriedby the stem and surrounding the cluster, the upper edges of the socketcover intercepting downwardly directed light 'from the lamp bulbfilaments and preventing its passing out through the lower end of theshade, and

stem and; surrounding the cluster, the upper edges of the socket coverintercepting downwardly directed light from the lamp bulb filaments andpreventing its passing out through the-lower end of the shade,anaupwardly acting reflector carriedwithin'nthe socket coverandapertured to receiv'e' the necks. of the lamp bulbspand a deflectorcarried on: the stem-above the lamp bulbs for redirectingupwardly-directed light ontoithe shadep' we 3. Inalamp, a'central stem,an upwardly opening body secured to-the lo werend' of'the stem and:carrying-upwardly opening lamp sockets about the stem-, the bodyextending above the sockets to conceal the sockets and, v. 35 It will ofcourse be understood that-the the neckszof lamp bulbs carried thereim areflector carried bythe body and having aperwardly and outwardly flaringreflector carried by the stem above the lampbulbs 4. A lamp comprising atubular standard, a stem extending upwardly from the standard, abowl-shaped stamping surrounding the stem, a plurality of upwardlyopening sockets secured to the bottom of the 1 bowl, lamp bulbs in thesockets, a reflector'carri'ed inside the upper part of the bowl andbelow-the 1 light sources of the bulbs, a vdeflector carried by the stemabove the bulbs, and a diffusing shade intercepting direct light fromthe bulbs ing fixedly secured to the stem above the hickey, a pluralityof upwardly opening lamp sockets disposedabout the stem. and secured Ito the stamping, lamp bulbs inthe socke'ts, ried thereby and adapted tosupport a'clus- }ter of lamp bulbs, a socketcover'about the sockets andlower parts of a the cluster, the filaments of thela-mp bulbs beingabove thethe inner surface of the shade w upwardly directed light toredirect-it onto (5. A lamp comprising a standard, a plurality ofupwardly opening lamp sockets carried thereby and adapted to support acluster of lamp bulbs, a socket cover about the sockets and lower partof the cluster, the filaments of the lamp bulbs being above the upperedge of the socket cover, a central stem extending upwardly between thesockets and lamp bulbs, a diffusing shade carried by the stem andsurrounding the cluster, the upper edges of the socket coverintercepting downwardly directed light from the lamp bulb filaments andpreventing its passing out through the lower end of the shade, and anupwardly acting reflector carried within the socket cover and aperturedto receive the necks of the lamp bulbs.

Signed at Meriden, in the county of New Haven and State of Connecticut,this 5th day of November, 1929.

LEROY C. DOANE.

